我们如何在 firebase API fcm 通知中使用多个click_action ?例如:
{
"notification": {
"title" : "title",
"body" : "body text",
"icon" : "ic_notification",
**"click_action" : "OPEN_ACTIVITY_1",
"click_action_2" : "OPEN_ACTIVITY_2"**
}
}